One of the windiest peaks in Crimea is home to an incredible set of cable bridges.

A castle perched precariously over the Crimean Sea.

This space age health spa looks like a supervillain's lair.

The saltiest lake in all of Crimea is also the pinkest of the pink and teeming with life.

This ancient burial mound is accessed by an impressive Greek-built archway.

Gargantuan home of Russian science.

The Nazis lost more men trying to take this Russian-held Stalingrad apartment block than they did when taking Paris.

The world's tallest statue of a woman wields the world's tallest sword and is at risk of toppling over.

During the Soviet era, the medieval capital of Volga Bulgaria served as a substitute for Mecca.

This outdoor gallery of sculptures along the East River was once a landfill.

If it hadn't been caught in time, a flaw in the design of this Manhattan skyscraper could have led to its collapse.

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

Books bound in human skin and H. P. Lovecraft's letters are among a few of the treasures this library has to offer.

This stucco building in North Africa was the first American-owned property on foreign soil.

On the hills of Bay Ridge stands a house straight out of a fairy tale.

Once considered a marvel of engineering, this 107-mile canal played an integral role in building New York City.

The world's longest bridge fountain has hundreds of nozzles that create a beautiful, illuminated spectacle.

Home of the future Emperors of Russia.

The "Mystery and Company of Merchant Adventurers" is an Elizabethan-era hangout in Moscow.

Stalinist skyscraper built with help of cryotechnology.

Art Deco stylings conceal the true nature of this bridge.

This unique architectural wonder is also tied to one of the 20th-century's most renowned writers.

The largest caravanserai in Cyprus also includes amazing examples of Ottoman architecture.

A sculpture of a giant man escaping from the depths of the Earth.